A few headers contained #defines that were intended to work around
issues with the JUCE library headers, but those things are best
handled in other ways.
It turns out SWIG is a lot pickier than GCC about namespaces, and
requires a lot more `openshot::` prefixing in our headers, if we
eliminate the `using namespace...` statements from them.
- each class is now responsible to free whatever it allocates
- all tests passed on my machine with ffmpeg 3.2
- Clip is now more careful about freeing a reader if it allocated it as well
* Refactor of Coorindate and Keyframe optimized for performance (much faster than previously). Also refactored FrameMapper to not use a Keyframe, and to only process frame mapping when needed... speeding up Json loading of project files.
* Fixing FrameMapper linear calculation to match existing Keyframe calculation
* Fixing Keyframe to pass original unit tests, and correctly calculate the Keyframe repeat fractions and deltas.
* Small refactor of time mapped logic in Clip.cpp
* Integration of libresvg SVG library (optional during build)
* Major refactor of max_width and max_height for preview optimization
* Fixed many bugs related to preview resizing, with regards to cached frames
* Updating gitlab CI to find RESVGDIR correctly for windows, and adding svgz support
* Updating cmake findresvg module to search for windows locations first, to prevent an issue on our windows builders and updating some CMake output.
* Removing folder path from resvg header, since it could be installed in different named folders. This is an attempt to fix Windows include issues.
* Making call to AV_FREE_FRAME conditional for non windows systems (because it crashes on Windows for seemingly no reason). Needs more investigation.
